- Biodegradable gears
ISO VG 100
Biodegradable gear oil carrying the EU Ecolabel
The European Union's voluntary ecolabel for products, including lubricants, with reduced environmental impact across their life cycle.
US EPA Vessel General Permit (VGP)
EPA permit requiring environmentally acceptable lubricants at oil-to-sea interfaces of vessels.
USDA BioPreferred program
US federal program for biobased products (including lubricants), with preferred federal purchasing and a certification label.
OECD 301B biodegradability above 60 %
OECD test measuring carbon dioxide evolved over 28 days; above 60 % counts as "readily biodegradable".
| Property | Typical value | Method |
|---|---|---|
| Kinematic viscosity @40°Cmm2/s | 100.9 | ASTM D445 |
| Pour point°C | -30 | ASTM D97 |
| Flash point°C | 252 | ASTM D92 |
| Density @15°Ckg/m3 | 919 | ASTM D4052 |

Industrial gear oil – readily biodegradable saturated synthetic esters. Shell PANOLIN S4 Gear EAL is an advanced synthetic fluid for use in gearing applications, such as marine thrusters and propulsion drives. Industrial gears, bearings and other components in circulating and splash-lubricated systems. Manufactured from fully saturated esters, Shell PANOLIN S4 Gear EAL is designed to deliver outstanding load carrying performance while also being readily biodegradable with low ecotoxicity. Shell PANOLIN S4 Gear EAL is an environmentally acceptable lubricant (EAL) and holds the EU Ecolabel. This grade is ISO VG 100: kinematic viscosity 100.9 mm²/s at 40 °C, flash point 252 °C, pour point -30 °C. Its data sheet lists an SKF Marine GmbH approval, meets the EU Ecolabel requirements (NL/027/028), the USDA BioPreferred programme and EN 16807:2016.
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